Home / 16,191.79-22,338.04-11,952.96

Finding the Fourth Proportional to 16,191.79, 22,338.04 and 11,952.96

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Solution

The fourth proportional to 16,191.79, 22,338.04 and 11,952.96 is: 16,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.79 : 22,338.04 = 11,952.96 : x
  2. Step 2: Convert to fraction form
    16,191.79/22,338.04 = 11,952.96/x
  3. Step 3: Cross multiply
    16,191.79x = 22,338.04 × 11,952.96
  4. Step 4: Simplify right side
    16,191.79x = 267,005,698.60
  5. Step 5: Solve for x
    x = 267,005,698.60/16,191.79
  6. Step 6: Final answer
    x = 16,490.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.